EP2304348B1 - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
EP2304348B1
EP2304348B1 EP09735864.2A EP09735864A EP2304348B1 EP 2304348 B1 EP2304348 B1 EP 2304348B1 EP 09735864 A EP09735864 A EP 09735864A EP 2304348 B1 EP2304348 B1 EP 2304348B1
Authority
EP
European Patent Office
Prior art keywords
rotator
dispenser
ice
rotation
refrigerator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09735864.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2304348A4 (en
EP2304348A1 (en
Inventor
Sung-Kyoung Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2304348A1 publication Critical patent/EP2304348A1/en
Publication of EP2304348A4 publication Critical patent/EP2304348A4/en
Application granted granted Critical
Publication of EP2304348B1 publication Critical patent/EP2304348B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/0042—Details of specific parts of the dispensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/20—Distributing ice
    • F25C5/22—Distributing ice particularly adapted for household refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • F25C1/24—Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing trays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/02—Apparatus for disintegrating, removing or harvesting ice
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F25D23/126—Water cooler

Definitions

  • the present invention relates to a refrigerator.
  • Refrigerators are electric home appliances, which maintain their inner space at lower temperature than outside temperature to store foods at low temperature close to or below zero degrees Celsius for a long time.
  • Such a refrigerator includes a freezer compartment and a refrigerator compartment.
  • Various foods requiring refrigeration are stored in the refrigerator compartment.
  • chilly air may be discharged to the outside and high temperature outside air may be introduced into the refrigerator.
  • a refrigerator is recently developed and produced in which a front surface of a refrigerator door is provided with a dispenser to dispense water stored in a refrigerator compartment to the outside without using the refrigerator door. Also, water or ice can be conveniently taken out through the dispenser.
  • the dispenser is generally provided with an operation part operated by a user, that is, with a push lever. Ice can be dispensed by pushing the push lever.
  • the ice may be dispensed from an ice bank to the outside through a discharge part of the dispenser.
  • the dispenser may also be provided with a motor electrically or mechanically connected to the push lever and providing torque so that ice can be dispensed by operation of the push lever.
  • US 3,537,618 discloses an ice dispenser comprising a receptacle containing a motor-driven, rotatable dispensing means which includes means for storing energy when the motor is energized and the dispensing means is stalled by an ice piece lodged between the dispensing means and the receptacle.
  • US 2004/0070297 discloses a housing structure for geared motors.
  • the invention provides a refrigerator configured to minimize the residual rotation of a motor after operation of a dispenser lever is stopped by improving the structure of a dispenser of the refrigerator.
  • the invention also provides a refrigerator configured to minimize the residual rotation of a motor by providing a compression member having a simple structure to a dispenser.
  • the invention also provides a refrigerator configured to stop dispensing water or ice simultaneously with stopping a dispenser.
  • the invention provides a refrigerator as set out in claim 1.
  • a refrigerator includes, in particular: a main body providing a storage; a dispenser provided to the main body and configured to dispense ice; an operable operation part provided to the dispenser; and a dispenser motor driven according to operating the operation part, wherein the dispenser motor includes: a stator generating a magnetic field; a rotator rotatable by the magnetic field; and a compression member applying a frictional force to the rotator while rotation of the rotator is stopped.
  • a refrigerator in another embodiment, includes, in particular: an ice-making device provided with an ice bank adapted for storing ice; and a dispenser motor providing a driving force to dispense the ice from the ice bank, wherein the dispenser motor includes: a stator generating a magnetic field; a rotator rotatable by the magnetic field and closely contacting a side of the dispenser motor while rotation of the rotator is stopped; and an elastic member provided to a side of the rotator and moving the rotator in a direction while the rotation of the rotator is stopped.
  • a refrigerator includes, in particular: an ice bank configured to store ice; a dispenser provided to a side of the ice bank and configured to dispense the ice of the ice bank; an operation part provided to the dispenser and operable to dispense the ice; and a dispenser motor driven by operating the operation part, wherein the dispenser motor includes: a stator generating a magnetic field; a rotator provided to a side of the stator and movable in a direction; an elastic member applying a restoring force to the rotator; and a compression member closely contacting the rotator while the rotator stops.
  • the dispenser of the refrigerator is provided with the elastic member coupled to the rotation shaft of the motor, and the rotator of the motor is easily moved to the stop position by the restoring force of the elastic member.
  • one side of the rotator is provided with the compression member reducing the torque of the rotator, and the rotator is quickly stopped by the frictional force due to the compression member.
  • an accurate amount of ice is dispensed by a user's operation, so as to improve convenience in use and reliability of a product.
  • Fig. 1 is a perspective view illustrating a refrigerator including a dispenser according to an embodiment.
  • Fig. 2 is a perspective view illustrating an inner side of a refrigerator door with a dispenser according to an embodiment.
  • Fig. 3 is a perspective view illustrating configuration of an ice-making device according to an embodiment.
  • a refrigerator 1 includes a main body 10 storing chilly air, a freezer compartment door 21, and a refrigerator compartment door 22.
  • the freezer compartment door 21 and the refrigerator compartment door 22 are rotatably provided to a front surface of the main body 10 and selectively open and close a freezer compartment 11 and a refrigerator compartment 12, respectively.
  • the main body 10 is provided with the freezer compartment 11 and the refrigerator compartment 12, and the freezer compartment 11 and the refrigerator compartment 12 may be separated by a separation part 13.
  • a side-by-side-type refrigerator including a freezer compartment and a refrigerator compartment at left and right sides
  • positions of a freezer compartment and a refrigerator compartment are not limited thereto, and a top-mount-type refrigerator in which a freezer compartment is disposed on a refrigerator compartment, or a bottom freezer-type refrigerator in which a freezer compartment is disposed under a refrigerator compartment may be provided according to other embodiments.
  • the main body 10 is provided with a plurality of drawable storage 25 that may store an object.
  • the freezer compartment door 21 and the refrigerator compartment door 22 may be provided with a plurality of baskets 24 storing an object.
  • the refrigerator compartment door 22 is provided with a home bar 40 allowing access to foods without opening the refrigerator compartment door 22.
  • the home bar 40 includes a home bar door 41. Since the home bar door 41 selectively opens the home bar 40, the discharge of chilly air is minimized.
  • the freezer compartment door 21 is provided with a dispenser 30 to dispense drinking water.
  • the dispenser 30 is concaved reward from the freezer compartment door 21, and a lower portion of the dispenser 30 may be provided with a cup for receiving supplied water.
  • the dispenser 30 includes an operation part 31 operated to dispense water from the dispenser 30, and a drain container 33 configured to collect water discarded to the outside during operation of the dispenser 30.
  • the operation part 31 is provided in a dispenser lever shape, and movable in a back-and-forth direction. When the operation part 31 is pressed, water or ice is dispensed. When the pressing of the operation part 31 is stopped, the dispensing of the water or ice is stopped.
  • the drain container 33 is provided to the lower portion of the dispenser 30, and is removably coupled to the freezer compartment door 21.
  • a display part 32 configured to display operation state of the dispenser 30 is provided to the upper portion of the dispenser 30.
  • the dispenser 30 may be coupled to an inner surface of the freezer compartment door 21. That is, an opening having penetrated front and rear potions may be provided to a portion of the freezer compartment door 21 to which the dispenser 30 is coupled, and the dispenser 30 may be coupled to the opening.
  • An ice-making device 100 configured to provide ice to the dispenser 30 is provided to the upper side of the dispenser 30.
  • the ice-making device 100 may be provided to the inner surface of the freezer compartment door 21.
  • the ice-making device 100 includes a water supply part 130 configured to receive water supplied from the outside, an ice tray 110 configured to store water supplied from the water supply part 130 and receiving chilly air to make ice, an ejector 112 guiding ice made at the ice tray 110 to be removed from the ice tray 110 to an ice bank (not shown), and a guide surface 114 efficiently guiding ice removed by the ejector 112 to the ice bank.
  • the ice bank provides a space for storing ice made at the ice tray 110 and may be provided to the lower side of the ice tray 110.
  • the ice-making device 100 may be provided with a motor (not shown) providing a driving force for rotating the ejector 112.
  • the motor is disposed in a motor housing 120.
  • a side of the ice-making device 100 is provided with a dispenser motor 150 connected to the ice bank and providing a torque for discharging ice from the ice bank to the dispenser 30.
  • the dispenser motor 150 includes a rotation connection part 158 connected to the ice bank and rotating an auger (not shown) of the ice bank.
  • the auger is rotatably provided to the ice bank to guide ice to be dispensed to the outside, detailed description of which is omitted.
  • the ice bank is disposed on a front side of the rotation connection part 158, as illustrated in Fig. 3 .
  • the lower side of the rotation connection part 158 is provided with an ice dispenser part 118 where ice discharged from the ice bank falls.
  • the ice dispenser part 118 has an open hole shape and may be disposed on the upper side of the operation part 31.
  • Fig. 4 is a perspective view illustrating a state where a dispenser motor rotates according to an embodiment.
  • Fig. 5 is a side view illustrating configuration of a dispenser motor according to an embodiment.
  • Fig. 6 is a cross-sectional view taken along line I-I' of Fig. 4 .
  • the dispenser motor 150 includes a stator 155 forming a rotating magnetic field, a rotator 151 disposed in the stator 155 and receiving a torque according to polarity of the stator 155, and a coil 155a supplying a current to form a magnetic field at the stator 155.
  • the rotator 151 has a cylindrical shape, and may include a permanent magnet receiving a torque according to polarity of the stator 155.
  • the stator 155 surrounds an outer surface of the rotator 151, and polarity of a magnet is changed by an alternating current supplied to the coil 155a.
  • the coil 155a may be disposed on one side of the stator 155. Power may be applied to the coil 155a by operating the operation part 31.
  • the rotator 151 is provided with a rotation shaft 153 rotating integrally with the rotator 151.
  • the rotation shaft 153 passes through the center of the rotator 151 and extends toward both sides thereof.
  • Both sides of the rotation shaft 153 are provided with a shaft housing 154 in which the rotation shaft 153 is movably received.
  • the shaft housing 154 includes a first shaft housing 154a provided to one side of the rotation shaft 153 and a second shaft housing 154b provided to another side.
  • the first shaft housing 154a is coupled to one side of the stator 155, and a coupling member 161 such as a screw may be employed.
  • a compression member 152 is interposed between the first shaft housing 154a and the rotator 151 and provides a predetermined frictional force to stop rotation of the rotator 151.
  • the compression member 152 may include cork.
  • One side surface of the compression member 152 corresponds to one side surface of the rotator 151, in shape and size.
  • the compression member 152 may be in surface contact with the rotator 151 so as to provide the frictional force.
  • the rotator 151 and the compression member 152 may be in close contact with one side surface of the first shaft housing 154a while the rotator 151 stops.
  • a position, where the rotator 151 and the compression member 152 are in close contact with one side surface of the first shaft housing 154a is referred to as a "stop position".
  • the rotation shaft 153 is provided with an elastic member 156 to move the rotator 151 to the stop position while the rotator 151 stops.
  • At least one portion of the elastic member 156 may be received in the rotator 151.
  • One side of the elastic member 156 may be connected to the rotator 151 so as to move the rotator 151.
  • the elastic member 156 moves the rotator 151 using a self-restoring force.
  • the elastic member 156 may include a coil spring provided to the outer surface of the rotation shaft 153.
  • the coil spring may be a compression spring generating a restoring force in the opposite direction to a tensile direction.
  • One side of the second shaft housing 154b may be provided with a gear assembly 170 transmitting the torque of the rotator 151 to the rotation connection part 158.
  • the gear assembly 170 is received in a gear housing 157.
  • One end of the rotation shaft 153 is provided with a shaft gear 171 that may engage with at least one gear of the gear assembly 170.
  • gear assembly 170 rotates according to rotation of the rotation shaft 153, and then the rotation connection part 158 rotates according to the rotation of the gear assembly 170.
  • Detailed description for power transmission structure of gears will be omitted.
  • Figs. 4 to 6 illustrate the rotated state of the rotator 151.
  • the magnetic field has the nature of the rotating magnetic field in which polarity changes according to time, due to the nature of the alternating current. That is, there is an effect of rotating a magnetic pole of the stator 155 in a predetermined direction.
  • the rotator 151 is moved to a center direction of the stator 155 by the magnetic field generated at the stator 155. That is, the rotator 151 is spaced apart from the first shaft housing 154a and moves to the center of the stator 155.
  • the moving rotator 151 overcomes the elastic force of the elastic member 156, so that the elastic member 156 is compressed.
  • the rotator 151 is rotated in the rotation direction of the magnetic pole by the rotating magnetic field of the stator 155, that is, by the magnetic pole rotating in the predetermined direction.
  • the rotation shaft 153 rotates in the rotation direction of the rotator 151, and the torque of the rotation shaft 153 is transmitted to the rotation connection part 158 by the gear assembly 170.
  • the auger of the ice bank operates, and ice in the ice bank is dispensed through the ice dispenser part 118 to the dispenser 30.
  • Fig. 7 is a perspective view illustrating a state where a dispenser motor is stopped according to an embodiment.
  • Fig. 8 is a cross-sectional view taken along line II-II' of Fig. 7 .
  • the operation of the dispenser motor 150 stops when the operation part 31 stops, that is, when the pushing operation on the operation part 31 is finished.
  • the rotator 151 While the rotation of the dispenser motor 150 stops, the rotator 151 is in close contact with the compression member 152, so that the rotation of the rotator 151 quickly stops. That is, the rotator 151 stops quickly just when the operation part 31 stops, so as to minimize subsequent residual rotation.
  • the applied electric power is removed from the coil 155a to prevent the flow of the current. Then, the generated magnetic field is removed from the stator 155, so as to remove the torque applied to the rotator 151.
  • the rotator 151 moves to be in close contact with the first shaft housing 154a.
  • the compression member 152 is moved to the first shaft housing 154a by the rotator 151. That is, the rotator 151 is in close contact with the compression member 152, and the compression member 152 is in close contact with one surface of the first shaft housing 154a.
  • the rotation of the rotator 151 stops quickly when the operation part 31 stops.
  • dispensing ice is controlled through the dispenser 30.
  • the same configuration may be applied to a case of dispensing water.
  • the dispenser is configured to dispense ice.
  • a main body of a refrigerator is provided with a water container, and water stored in the water container is dispensed by operating an operation part.
  • water in the water supply part 130 provided to the ice-making device 100 may be supplied directly to the dispenser 30.
  • an additional control device may be provided to dispense water or ice according to user's selection.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Refrigerator Housings (AREA)
EP09735864.2A 2008-04-24 2009-01-20 Refrigerator Active EP2304348B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080038209A KR20090112362A (ko) 2008-04-24 2008-04-24 냉장고
PCT/KR2009/000298 WO2009131297A1 (en) 2008-04-24 2009-01-20 Refrigerator

Publications (3)

Publication Number Publication Date
EP2304348A1 EP2304348A1 (en) 2011-04-06
EP2304348A4 EP2304348A4 (en) 2016-12-21
EP2304348B1 true EP2304348B1 (en) 2023-03-01

Family

ID=41217001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09735864.2A Active EP2304348B1 (en) 2008-04-24 2009-01-20 Refrigerator

Country Status (6)

Country Link
US (2) US9267731B2 (zh)
EP (1) EP2304348B1 (zh)
KR (1) KR20090112362A (zh)
CN (1) CN102016459B (zh)
MX (1) MX2010011487A (zh)
WO (1) WO2009131297A1 (zh)

Families Citing this family (6)

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US20110259033A1 (en) * 2010-04-27 2011-10-27 Electrolux Home Products, Inc. Movement-sensitive ice and water dispensing in an appliance
CN103688118B (zh) * 2011-07-15 2015-12-23 伊利诺斯工具制品有限公司 节能冰块分配器门系统的旋转式致动装置
CN102829591A (zh) * 2012-09-03 2012-12-19 海信容声(广东)冰箱有限公司 一种搅冰碎冰驱动装置
US20160161132A1 (en) * 2014-12-04 2016-06-09 Kunshan Jue-Chung Electronics Co., Ltd. Energy storage tank having function of fixing energy storage units
US11083261B2 (en) * 2016-12-19 2021-08-10 Tsb Limited Collapsible luggage
CN115538883A (zh) * 2021-06-29 2022-12-30 重庆海尔制冷电器有限公司 用于制冷设备的连动机构和具有其的制冷设备

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Also Published As

Publication number Publication date
WO2009131297A1 (en) 2009-10-29
CN102016459B (zh) 2012-09-26
US9267731B2 (en) 2016-02-23
US20160122171A1 (en) 2016-05-05
EP2304348A4 (en) 2016-12-21
US9845234B2 (en) 2017-12-19
EP2304348A1 (en) 2011-04-06
KR20090112362A (ko) 2009-10-28
US20110030411A1 (en) 2011-02-10
MX2010011487A (es) 2010-11-12
CN102016459A (zh) 2011-04-13

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